utils.foo's rivals

Provides a collection of client-side browser utilities for hardware testing, development, audio, and security.

Offers free online tools for modifying JSON data in the browser. Users can format, validate, convert, and compare JSON without uploading files. All processing occurs locally; no data is sent to servers.

Converts JSON, YAML, XML, CSV, TOML, TOON, or Mermaid into interactive graphs. This tool is intended for developers, analysts, and data professionals to visualize structured data.

Browser-based utilities for developers and designers, including hash generators, CSS editors, and image tools.

Formats, validates, decodes, and converts data locally in the browser.

Provides free client-side developer tools including a Base64 encoder, JSON formatter, regex tester, hash generator, and UUID generator.

Provides over sixty local developer tools including Base64, JWT, hashes, colour, and cron utilities.

Provides browser-based utilities for editing PDFs, images, JSON, and QR codes without uploading files.

Provides browser-based utilities for developers, creators, and everyday tasks, including JSON formatting, PDF merging, and password generation.

Browser-based tools to minify, convert, validate, encode, and format various types of code locally.

Provides free online browser-based tools including JSON formatters, password generators, QR code makers, calculators, and converters.

Provides access to 80+ free, privacy-focused online developer tools. It includes utilities such as JSON Formatter and Base64 Converter.

Provides browser-based utilities to compress images, convert files, clean up text, and generate QR codes.

Provides a collection of practical tools for developers. It is a resource for developers needing assistance with coding tasks.

Free browser-based formatters, converters, calculators, and image tools for developers, designers, and writers.

Provides a collection of random tools and utilities, including text converters, a notepad, and a status checker.

Provides a local workspace for developers to format, explore, and work with structured data like JSON, YAML, XML, and Markdown. It is available for Chrome, Edge, and Windows; files remain on the user's device.

Provides a collection of client-side utility tools and calculators for math, productivity, and developer workflows.

Provides private browser tools for JSON format, cron, and timestamp manipulation. It includes JSON formatting, diffing, timestamp conversion, and JWT decoding functions.

Provides browser-based developer utilities including equation previews, JSON formatting, and hashes, alongside classic mini games.

Provides free browser-based utilities for image conversion, color adjustment, and calculations without requiring logins.

Provides browser utilities, analysis tools, curated data products, and consulting for data work.

Provides website audits, code snippet inspection, and browser-based developer tools for validation.

Provides free browser tools for text, images, dates, development, and security tasks.

Provides free browser-based tools to convert, format, generate, and calculate data without uploading anything.

Creating developer tools which work offline and request minimal browser permissions. Currently, it offers FormForge, a Chrome extension for testing web forms with realistic data.

Provides twenty-five free client-side developer tools, including AI utilities, a PDF suite, and JSON formatters, without requiring sign-up.

Provides a collection of browser-based utilities including an ASCII art generator, aspect ratio calculator, and Base64 encoder.

Provides a suite of developer utilities including JSON and SQL formatters, JWT debuggers, regex testers, hash generators, and PDF tools.